Home / 12,923,999.40-19,385,999.10-11,664,287.40

Finding the Fourth Proportional to 12,923,999.40, 19,385,999.10 and 11,664,287.40

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Solution

The fourth proportional to 12,923,999.40, 19,385,999.10 and 11,664,287.40 is: 17,496,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,999.40 : 19,385,999.10 = 11,664,287.40 : x
  2. Step 2: Convert to fraction form
    12,923,999.40/19,385,999.10 = 11,664,287.40/x
  3. Step 3: Cross multiply
    12,923,999.40x = 19,385,999.10 × 11,664,287.40
  4. Step 4: Simplify right side
    12,923,999.40x = 226,123,865,038,541.38
  5. Step 5: Solve for x
    x = 226,123,865,038,541.38/12,923,999.40
  6. Step 6: Final answer
    x = 17,496,431.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.